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C-15 Acert Overhead Settings

Discussion in 'Trucks [ Eighteen Wheelers ]' started by stranger, Jun 8, 2009.

Page 1 of 2
  1. Jun 8, 2009 #1
    stranger

    stranger Road Train Member

    3,640
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    Oct 10, 2006
    NC
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    I have driven an '05 C-15 the last couple of trips. This truck gets terrible fuel mileage, and the power is somewhat down also, not to mention the weak engine brake. They have several of these identical trucks. One other gets the same mileage, which averages about 5.4, while some others average over 6.5, with one getting 7.0 one trip.

    The engines that get the worst mileage seem to have a lot of injector chatter also.

    What would be the correct settings on the overhead to get these engines running the way they should. The blowby is minimal, and they do not use any oil during a 5000 mile trip.

    BXS-34590 is one of the offenders.
     
    stranger, Jun 8, 2009
    stranger, Jun 8, 2009
    #1
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  3. Jun 10, 2009 #2
    coalhauler625

    coalhauler625 Light Load Member

    96
    12
    Jan 6, 2009
    somewhere in VA,KY or WV
    0
    intake .015, exhaust .030, acuator .020, jake .030 injector will have to be set with cat heigth gauge
     
    coalhauler625, Jun 10, 2009
    coalhauler625, Jun 10, 2009
    #2
    stranger Thanks this.
  4. Jun 13, 2009 #3
    kajidono

    kajidono Road Train Member

    6,422
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    Jun 1, 2009
    Streetrat
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    And don't leave the gauge in the engine like Kenworth did on mine :biggrin_25510:
     
    kajidono, Jun 13, 2009
    kajidono, Jun 13, 2009
    #3
  5. Jun 18, 2009 #4
    05chopper

    05chopper Light Load Member

    169
    22
    Dec 25, 2008
    USA
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    Paint the tool orange you will see the tool before the rocker cover goes back on.
     
    05chopper, Jun 18, 2009
    05chopper, Jun 18, 2009
    #4
  7. Jun 18, 2009 #5
    9 Axle

    9 Axle Light Load Member

    147
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    Feb 7, 2009
    Purdon, Texas
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    Put the ###### tool back in the proper drawer, then no problem. Jesus, where are out brains these days ?????????????????????/
     
    9 Axle, Jun 18, 2009
    9 Axle, Jun 18, 2009
    #5
  8. Jun 18, 2009 #6
    9 Axle

    9 Axle Light Load Member

    147
    23
    Feb 7, 2009
    Purdon, Texas
    0
    Perhaps zip tie the tool to the "technicions" wrist????????
     
    9 Axle, Jun 18, 2009
    9 Axle, Jun 18, 2009
    #6
  9. Jun 18, 2009 #7
    9 Axle

    9 Axle Light Load Member

    147
    23
    Feb 7, 2009
    Purdon, Texas
    0
    MECHANICS would NOT need a zip tie!!!!!!!!!!!!!!!!!!
     
    9 Axle, Jun 18, 2009
    9 Axle, Jun 18, 2009
    #7
  10. Jun 18, 2009 #8
    05chopper

    05chopper Light Load Member

    169
    22
    Dec 25, 2008
    USA
    0
    You said
    The engines that get the worst mileage seem to have a lot of injector chatter also. What do you mean??????
     
    05chopper, Jun 18, 2009
    05chopper, Jun 18, 2009
    #8
  11. Jun 21, 2009 #9
    stranger

    stranger Road Train Member

    3,640
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    Oct 10, 2006
    NC
    0
    All of out trucks have C-15 Acerts. All have a certain amount of injector chatter when driving. The ones with the loudest chatter have less power, and get worse fuel mileage.
     
    stranger, Jun 21, 2009
    stranger, Jun 21, 2009
    #9
  12. Jun 22, 2009 #10
    Markvfl

    Markvfl Road Train Member

    1,103
    338
    Nov 29, 2007
    Apopka, FL
    0
    With the help of some of the people in this forum I got my 05 BXS up from the very low 5's when I bought it to mid 6's, with my 660,000 mile 379 Pete without even running the rack. Ist, I slowed down from 70 to 63 - 64, 2nd, bought a set of the cheapest Donaldson mufflers, cut out the bottom baffle with an air grinder and got a quiet straight thru muffler, 3rd, got a leak in the air cooler fixed, 4th, replaced the 90 GPH fuel filter head with a 120 GPH head and a Luberfiner FS1212 fuel filter, lastly, a fuel temp wire. And I picked up probably 50 - 60HP in the process! Next, the PDI 725HP ECM that is said to give 5 to 6 tenths improvement in mileage.
     
    Markvfl, Jun 22, 2009
    Markvfl, Jun 22, 2009
    #10
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